<template>
  <div class="icons">
      <swiper :options="swiperOption">
        <swiper-slide  v-for="(page, index) of pages" :key="index">
          <div class="icon" v-for="item in page" :key="item.id">
            <div class="icon-img">
              <img :src="item.imgUrl" class="img-content"/>
            </div>
            <p class="icon-des">{{item.desc}}</p>
          </div>
        </swiper-slide>
      </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    iconList: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.iconList.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style scoped lang="stylus">
  @import '~styles/varibles.styl';
  @import '~styles/mixins.styl';
  .icons >>> .swiper-container
    height: 0
    padding-bottom: 50%
  .icons
    margin-top: .1rem
    .icon
      width: 25%
      float: left
      padding-bottom: 25%
      overflow: hidden
      position: relative
      height: 0
      .icon-img
        box-sizing: border-box
        padding: .1rem
        position: absolute
        left: 0
        right: 0
        top: 0
        bottom: .44rem
        .img-content
          display: block
          margin: 0 auto
          height: 100%
      .icon-des
        position: absolute
        left: 0
        right: 0
        bottom: 0
        height: .44rem
        line-height: .44rem
        color: $darkTextColor
        text-align: center
        ellipsis()
</style>
